A teenaged weightlifter at a BUZZFIT gym in Montreal, Canada, was attacked mid-workout by a nut case gym-goer for allegedly making too much noise while lifting. (The victim had been performing a deadlift and had already placed mats under the weights to deaden the sound.)
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Bonus: The douche is not a gym employee and, obviously, doesn't do legs. (The video was uploaded by the boy's coach -- competitive powerlifter Pete Rubish)